Kerri-Lee Harris

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Decisive contributions to our understanding of the mechanisms underlying the development of the nervous system have been made by studies performed at the level of single, identified cells in the fruit fly Drosophila. While all the motor neurons and glial cells in thoracic and abdominal segments of the Drosophila embryo have been individually identified, few(More)
roundabout (robo) family genes play key roles in axon guidance in a wide variety of animals. We have investigated the roles of the robo family members, robo, robo2, and robo3, in the guidance of sensory axons in the Drosophila embryo. In robo(-/-), slit(-/-), and robo(-/+) slit(-/+) mutants, lateral cluster sensory neurons misproject to cells and axons in(More)
In order to obtain steroid-independent probes for human progesterone receptor (PR), the A [88-93 kilodalton (kDa)] and B (109-119 kDa) forms of PR from T47D human breast cancer cells were partially purified and used to generate a series of 14 monoclonal antibodies. Initially, unoccupied PR was isolated from cytosol extracts by steroid affinity(More)
The Cbl family of proteins act as E3 ubiquitin-protein ligases and have been associated with the down regulation of a variety of receptor tyrosine kinases. Cbl proteins associate with many different cell signalling molecules suggesting that they may have functions outside of the RING finger-mediated ubiquitin ligase activity. The Drosophila melanogaster cbl(More)
The pattern of axon growth from the population of neurons that pioneers the major axon pathways in the central nervous system is highly conserved in winged insects. This study sought to determine whether the same pattern of axon growth is shared by an apterygotic insect, the silverfish. We have found that homologues to at least nine early differentiating(More)
In this article we describe how to individually label neurons in the embryonic CNS of Drosophila melanogaster by juxtacellular injection of the lipophilic fluorescent membrane marker DiI. This method allows the visualization of neuronal cell morphology in great detail. It is possible to label any cell in the CNS: cell bodies of target neurons are visualized(More)
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